Dayton Audio MB820-8
Mid Bass
8″ / 209 mm
Nominal diameter
69 Hz
Resonance
0.46
Q factor
93 dB
Sensitivity
± 4 mm
Linear excursion
400 W
Program Power
![Dayton Audio MB820-8 Mid Bass](/Dayton/MB820-8/Dayton_MB820-8_(Photo_1).jpg)
![Dayton Audio MB820-8 Mid Bass](/Dayton/MB820-8/Dayton_MB820-8_(Photo_2).jpg)
![Dayton Audio MB820-8 Mid Bass](/Dayton/MB820-8/Dayton_MB820-8_(Photo_3).jpg)
- Sensitivity (1W, 1m, infinite baffle)
- SPL1W
- 92.6
- dB
- Frequency response
- 100 - 7500
- Hz
- Resonance frequency (free air)
- fS
- 69.0
- Hz
- Mechanical quality factor
- QMS
- 3.83
- Electrical quality factor
- QES
- 0.52
- Total quality factor
- QTS
- 0.46
- Maximum linear excursion
- xmax
- 4.0
- mm
- Air volume displaced at xmax
- VD
- 98
- cm³
- Power handling
- P
- 200
- W
- Program power
- Pmax
- 400
- W
- Nominal impedance
- Z
- 8
- Ω
- DC resistance
- RE
- 5.3
- Ω
- Inductance (1kHz)
- LE
- 1.04
- mH
- VC Diameter
- 51
- mm
- Winding material
- CCA
- Force factor
- Bl
- 9.6
- N/A
- Motor constant
- Bl/√RE
- 4.19
- N/√W
- Weight
- 1.077
- kg
- Material
- Ferrite
- Effective diameter
- 176
- mm
- Effective area
- SD
- 244
- cm²
- Moving mass
- MMS
- 20.9
- g
- Moving mass (without air load)
- MMD
- 18.2
- g
- Material
- Paper
- Stiffness
- KMS
- 3.97
- N/mm
- Compliance
- CMS
- 252
- µm/N
- Equivalent volume to the compliance
- VAS
- 15.8
- L
- Mechanical resistance
- RMS
- 2.37
- N·s/m
- Surround material
- Cloth
- Nominal diameter
- 8
- ″
- 209
- mm
- Overall diameter
- 209
- mm
- Baffle cutout diameter
- 181
- mm
- Overall depth
- 91
- mm
- Volume occupied by the driver (estimated)
- 0.77
- L
- Frame material
- Steel
Thiele & Small parameters
Large signal parameters
Voice Coil
Magnet
Diaphragm
Suspensions
Dimensions
![Dayton Audio MB820-8 Impedance](/Dayton/MB820-8/Dayton_MB820-8_(Impedance).png)
![Dayton Audio MB820-8 SPL](/Dayton/MB820-8/Dayton_MB820-8_(Frequency_response).png)
Export this driver to a simulation software:
![WinISD](/images/export/WinISD.png)
![Basta!](/images/export/Basta.png)
![Hornresp](/images/export/Hornresp.png)
![QSpeakers](/images/export/QSpeakers.png)
![SpeakerSim](/images/export/SpeakerSim.png)
![MfbLabs](/images/export/MfbLabs.png)
![Speakerbench](/images/export/Speakerbench.png)